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Engineering Safety - USCG Exam Questions

Engine room safety: firefighting and fire prevention, confined space entry, pollution regulations, and safe work practices.

Every question below is a real U.S. Coast Guard exam question with four choices. Answer one and the correct choice is revealed instantly, with the USCG reference and illustration where the question uses one.

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All Engineering Safety questions

Questions 601–700 of 1,109 · page 7 of 12

  1. #840 As Chief Engineer your vessel has been damaged and one compartment has partially flooded. The vessel has free communication with the sea with water fl...
  2. #841 When a vessel is inclined, the tendency for it to return to its original position is caused by the __________.
  3. #842 The center of volume of the immersed portion of the vessel is the __________.
  4. #843 The water in which a vessel floats provides vertical upward support. The point through which this support is assumed to act is known as the center of...
  5. #848 The difference between the initial trim of a vessel and the trim after a change in load has occurred is known as __________.
  6. #849 For a vessel with a block coefficient of 1, the addition of weight at the center of flotation will __________.
  7. #850 The difference between the starboard and port drafts caused by a transverse shift in weight is called _______.
  8. #851 The difference between the starboard and port drafts due to wind or seas is called __________.
  9. #852 As an engineer, you should be familiar with the conditions that will cause a vessel to transversely incline, list, or trim. Which of the following con...
  10. #853 While serving as Chief Engineer on a partially loaded container ship the vessel is involved in a collision. An empty starboard side wing tank becomes...
  11. #856 A vessel's stability is greatly reduced by liquid free surface. Which of the listed conditions would develop the greatest adverse effect?
  12. #857 Adverse effects due to free surface will result when __________.
  13. #858 Your vessel has been damaged in a grounding and one compartment has partially flooded. As a result, you have lost buoyancy. If transverse stability in...
  14. #860 A ballast tank is one-third full when additional ballast is added until it is two-thirds full. The increased amount of liquid in the tank will have th...
  15. #861 You can generally improve the vessel's stability in a hazardous situation by __________.
  16. #862 The factor contributing to the greatest effect on the ship's period of roll is the __________.
  17. #863 The 2nd assistant engineer has just finished fueling operations. After entering the fuel data into the loading computer you notice a greater than allo...
  18. #864 Following cargo loading operations, your vessel is experiencing an excessive at-sea hogging bending stress as shown in the illustration. What should y... illustration
  19. #865 Following cargo loading operations, your vessel is experiencing an excessive at-sea sagging bending stress as shown in the illustration. What should y... illustration
  20. #867 Pitching is the rising and falling motion of the bow of a ship oscillating about which axis?
  21. #869 The motion of a vessel impacts its stability. Which of these motions shown in the illustration affects the governing "motion ahead and astern" stabili... illustration
  22. #870 The motion of a vessel impacts its stability. Which of these motions shown in the illustration affects the governing "longitudinal" stability? Illustr... illustration
  23. #871 The device used for preventing the passage of flames into enclosed spaces is called a __________.
  24. #872 Coast Guard Regulations (46 CFR), require electric hand lamps, approved for use in fuel tanks, to be battery powered and __________.
  25. #873 Coast Guard Regulations (46 CFR) require that lifejackets shall be __________.
  26. #876 According to 46 CFR part 95, which of the listed fire extinguishers would be considered hand portable/semi portable and capable of combating a class "...
  27. #877 According to Coast Guard Regulations (46 CFR), portable and semi-portable fire extinguishers are classified by a letter and numeric designator. The le...
  28. #878 If the empty weight of a B-III semi-portable CO2 fire extinguisher is 35 lbs (15.9 kg), what is its full charged weight?
  29. #879 Fire doors are released by a/an __________.
  30. #880 According to Coast Guard Regulations (46 CFR), which of the firefighting devices listed is not permitted for use in the engine room?
  31. #881 The discharge side of every fire pump must be provided with a __________.
  32. #882 A fireman's outfit carried onboard cargo vessels, must have a __________.
  33. #883 A fire main system must have enough fire hydrants for each accessible space to be reached with __________.
  34. #885 According to 46 CFR Part 95, which of the following statements is FALSE concerning the regulations pertaining to the carbon dioxide cylinder room for...
  35. #886 The carbon dioxide cylinders of a fixed fire extinguishing system may be located inside the protected space if the quantity of CO2 required to protect...
  36. #888 When a cylinder is used to store CO2 in a fixed firefighting system and is retested in accordance with regulations, all flexible connections between c...
  37. #889 According to Coast Guard Regulations (46 CFR), which of the following statements is true concerning fixed carbon dioxide fire extinguishing systems?
  38. #890 Carbon dioxide cylinders must be recharged when the cylinder charge weight is less than what percent of the stamped full weight charge?
  39. #891 Coast Guard Regulations (46 CFR), require a fixed foam extinguishing system on cargo and miscellaneous vessels to meet which of the following requirem...
  40. #892 According to 46 CFR's, a fixed foam system aboard a tank vessel constructed in 1968, must be designed to supply foam for a minimum of __________.
  41. #895 When fire detecting systems, fire extinguishing systems, and associated equipment are not required by the Coast Guard but are installed on a cargo ves...
  42. #896 Coast Guard Regulations (46 CFR) state that where reasonable and practicable, the steam pressure in a steam smothering system should be at least _____...
  43. #897 The Federal Pollution Prevention Regulations (33 CFR) that apply to ships are enforced by the __________.
  44. #898 According to Pollution Prevention Regulations (33 CFR), the "Discharge of Oil Prohibited" placard is required on all __________.
  45. #899 If a vessel moored at a U.S. terminal does not comply with Coast Guard Pollution Prevention Regulations (33 CFR), it may be detained by the __________...
  46. #900 Where are "prohibited oil spaces" specified in the Pollution Prevention Regulations (33 CFR)?
  47. #901 The term "oil", as used in the Pollution Prevention Regulations (33 CFR), means __________.
  48. #904 According to 33 CFR's, the approval period for a shipboard oil pollution emergency plan expires after __________.
  49. #905 A new ocean going ship of 2000 gross tons having an inoperative oily water separator may dispose of its bilge slops by __________.
  50. #909 Which of the following operations aboard a tanker must be recorded in the Oil Record Book on a tank-to-tank basis according to Coast Guard Regulations...
  51. #910 A tank vessel with an oil cargo capacity of 5000 barrels is required by regulations to have a fixed container, or enclosed deck area under or around e...
  52. #911 In accordance with Coast Guard Regulations (33 CFR), each pressure gage used in fuel transfer operations must be calibrated to indicate pressure withi...
  53. #913 According to Pollution Prevention Regulations (33 CFR), you are required to test cargo discharge piping every __________.
  54. #914 Pollution Prevention Regulations (33 CFR Part 156), state that no person may transfer oil to or from a vessel unless __________.
  55. #915 Which of the following statements is true concerning oil transfer connections?
  56. #917 According to the Pollution Prevention Regulations (33 CFR), no person may transfer oil to or from a vessel unless each person in charge has signed the...
  57. #921 According to the Pollution Prevention Regulations (33 CFR), who is to make the final decision of when oil transfer may begin?
  58. #922 Ocean vessel Ballast Water Management Regulations can be found in __________.
  59. #924 Which CFR regulation identifies the placard to be posted on the vessel describing the proper disposal of garbage?
  60. #927 According to Code of Federal Regulations (33 CFR 151), who is responsible for insuring that a ship is not operated unless a waste management plan is u...
  61. #928 Among other restrictions, an oil tanker may not discharge an oily mixture into the sea from a cargo tank, slop tank, or cargo pump room bilge unless t...
  62. #930 The emergency shutdown requirements of Pollution Prevention Regulations (33 CFR Part 155) apply to __________.
  63. #931 For all loading operations, the terminal must supply the vessel with a means in which the vessel's designated person-in-charge may stop the flow of oi...
  64. #932 Where in the Code of Federal Regulations will you find information about the compatibility of cargoes?
  65. #933 According to 46 CFR, Part 30, a Grade "E" petroleum product is __________.
  66. #934 According to Coast Guard Regulations (46 CFR), no vessel can come alongside or remain alongside a tank vessel while it is loading A, B, or C grade car...
  67. #935 Your passenger vessel has departed port with 1,235 passengers on board for a 10 day voyage. What should be your ship's standard operating procedures r...
  68. #937 Your passenger vessel has departed port with 1,235 passengers on board for a 10 day voyage. What actions must be taken to verify that your vessel was...
  69. #942 An oxygen indicator will detect __________.
  70. #947 Which of the following shoring materials is used to tightly make up the difference in length of a shore cut slightly shorter than the measured distanc...
  71. #949 Which of the following shoring materials is a portable beam designed to support a damaged structure?
  72. #950 Which of the following shoring materials is a short flat block that is placed under the end of a shore for the purpose of distributing pressure?
  73. #951 Which of the following shoring materials is a long bar or beam used to distribute the pressure of a shore?
  74. #952 You are attempting to administer CPR to a victim. While blowing into the victim's mouth, it is apparent that no air is getting to the lungs. Which of...
  75. #953 You are preparing to administer closed chest cardiac massage on a victim of electric shock. Which of the following actions is NOT a recommended proced...
  76. #954 When administering chest compression during CPR, at what part of the victim's body should the pressure be applied?
  77. #956 Part of the treatment for frostbite of the feet is the rapid rewarming of the cold injury. What is the preferred method of rewarming?
  78. #957 Part of the treatment for frostbite of the feet is the rapid rewarming of the cold injury. What is the preferred temperature of rewarming when using t...
  79. #958 A minor heat burn of the eye should be treated by __________.
  80. #959 A crew member has suffered a burn on the arm. There is extensive damage to the skin with charring present. This is an example of what kind of burn?
  81. #960 Severe airway burns will cause __________.
  82. #961 When treating a person for third degree burns, you should __________.
  83. #967 In which of the following heat related illnesses has the body lost its ability to regulate the body core temperature?
  84. #969 In which of the following heat related illnesses has the individual lost the ability to lose heat through the mechanism of sweating?
  85. #970 Which of the following heat related illnesses would be considered the most life threatening?
  86. #971 Which of the listed conditions is a symptom of sun stroke?
  87. #972 The sorting of accident victims according to the severity of their injuries is called __________.
  88. #973 If it is necessary to remove a victim from a life threatening situation, the person giving first aid must __________.
  89. #974 Which of the following methods is a convenient and effective system of examining the body of an injury victim?
  90. #975 You have found a person laying prone and not breathing. An electric wire is touching the victim. Which of the actions listed is the FIRST thing you sh...
  91. #976 When administering first aid you should avoid __________.
  92. #978 What should you do when the alarm bell on a self-contained breathing apparatus sounds?
  93. #979 Which of the devices listed would be safe to use in a compartment with insufficient oxygen?
  94. #980 The safe and efficient use of the face piece of a self-contained breathing apparatus is directly influenced by __________.
  95. #981 As its temperature rises, the volume of fuel oil stored in a tank will __________.
  96. #982 A ullage reading is the distance from a given point at the __________.
  97. #983 During topping off of bunker tanks, the loading rate must be personally supervised by the __________.
  98. #984 Which of the following methods will reduce the possibility of producing an electrical spark?
  99. #985 To avoid excessive pressures in the fuel oil filling system during bunkering, you should __________.
  100. #986 What type of wound is most susceptible to a tetanus (lockjaw) infection?

Engineering Safety questions: what to expect

Q How many Engineering Safety questions are in the Engine pool?

There are 1,109 Engineering Safety questions on this site, every one released by the U.S. Coast Guard or taken from the National Maritime Center's sample examinations, with its correct answer. The exam draws its Engineering Safety module from the same pool.

Q What score do I need to pass the Engineering Safety module?

Most USCG exam modules, including Engineering Safety, require 70 percent to pass. Rules of the Road modules require 90 percent.

Q Are these the real USCG Engineering Safety exam questions?

Yes. They are the published U.S. Coast Guard questions, matched to the National Maritime Center's 2026 sample examinations. Answer any question to see the correct choice, the USCG reference and the illustration where the question uses one.

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About the Engine question pool

The Engine pool holds the current U.S. Coast Guard questions for engineering credentials, from QMED ratings through DDE and Assistant Engineer up to Chief. Answer any question to see the correct choice instantly.